2022
Black SN770 2TB
A DRAM-less PCIe 4.0 NVMe SSD that punches well above its price bracket. The SN770 uses a host-memory-buffer approach to deliver near-flagship sequential speeds at a significantly lower cost.
NVMe SSD
Compatible Standards & Components
PCI Express 4.0 (PCIe 4.0)
PCI Special Interest Group (PCI-SIG)
M.2 2280 Form Factor
PCI Special Interest Group (PCI-SIG) / JEDEC
PCI Express 3.0 (PCIe 3.0)
PCI Special Interest Group (PCI-SIG)
M.2 2230 Form Factor
PCI-SIG / JEDEC
3D TLC NAND Flash
Samsung / SK Hynix / Micron / Kioxia
3D QLC NAND Flash
Intel / Micron / Samsung / SK Hynix
SLC Write Cache (Dynamic NAND Cache)
Storage Device Manufacturers
M.2 NVMe Heatsink (Thermal Throttle Prevention)
Motherboard Manufacturers
2.5-inch SATA SSD Form Factor
SATA-IO
Technical Specifications
| Type | NVMe SSD |
| Capacity | 2 TB |
| Interface | PCIe 4.0 x4 / NVMe 1.4 |
| Form Factor | M.2 2280 |
| Controller | WD in-house |
| Nand Type | SanDisk 3-bit TLC |
| Dram | No (HMB) |
| Seq Read | 5,150 MB/s |
| Seq Write | 4,850 MB/s |
| Rand Read | 740K IOPS |
| Rand Write | 800K IOPS |
| Tbw | 1,200 TBW |
| Warranty | 5 years |
| Notes | Budget-friendly; excellent price-per-GB |
| Msrp | $99.99 |
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